计算题:精苯车间月处理粗苯1500吨,消耗93%的硫酸85吨,30%的氢氧化钠30吨,计算本月粗苯耗酸碱(100%)为多少公斤/吨粗苯。
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变压器匝数多的一侧电流大,电压低。
A. 正确
B. 错误
由送电、变电、配电和用电组成的整体成为电力系统。
A. 正确
B. 错误
A sum of money paid by the Shipowner to Charterer for completing loading or discharging a cargo in less time than that stipulated in Charter Party as laydays.It is().
A. extra expenses
B. dispatch money
C. demurrage
D. remuneratio